Nosource twowire 420 mA current loop, wiring compatible with 2, 3, and 4 wire systems. 2.9 programmable output Capable of simulating the actual environment of dynamic testing Each section can be configured for running time, A current, and B current Digital rotary encoder adjustment Uses a potentiometer for adjustment Potentiometer design can be affected by temperature and humidity, causing resistance drift Enclosure and installation Attractive shell design that is easy to install Benefits and applications Easy integration into existing 420 mA loops without external power Flexible compatibility with various wiring topologies (2, 3, 4 wire) Programmable output enables realistic dynamic test simulations for development and testing Userfriendly adjustment with a sturdy, aesthetically pleasing enclosure Use scenarios Sensor calibration and bench testing of 420 mA devices Dynamic testing and environment simulation for control loops and actuators Lab prototyping and verification of automation projects that use current loop signaling